07-02-2012 07:15 PM
The Desktop Software normally defaults to whatever your carrier has released...if a different carrier released that OS package, the Desktop Software will not offer it to you unless and until your carrier releases it. But...all is not lost...
The simplest way is to, on a PC (you cannot do this on MAC):
1) Uninstall, from your PC, any BB OS packages
2) Make sure you have the BB Desktop Software already installed
3) Download and install, to your PC, the BB OS package you desire:
4) If that OS package is from a carrier other than the carrier for which your BB was originally manufactured, then delete, on your PC, all copies of VENDOR.XML (there will be at least one, perhaps 2)
5) Launch the Desktop Software and connect your BB...the software should offer you the OS package you installed to your PC. If, during the process, your BB presents a "507" error, simply unplug the USB cord from the BB and re-insert it...don't do anything else...this should allow the install to continue.
Don't forget to backup.
If you are on MAC, you are limited to only your carriers sanctioned OS packages...but can still use any levels that they currently sanction. See this procedure:
Good luck and let us know!
07-10-2012 12:42 PM
07-10-2012 01:19 PM
See item 4 above...you are not restricted to any specific carriers OS package. The only caveat is that if you do use an OS package from a carrier OTHER THAN the one for which your BB was originally manufactured (as per the hard coded on-device VendorID), then you must delete the VENDOR.XML file(s) from your computer after you install the OS package to your computer. So, I can't tell you if either carrier you mentioned has what you desire...you must dig around through the official download portal to find an OS package that you desire (from ANY carrier)...and then act accordingly (e.g., delete VENDOR.XML if appropriate).
Nothing about any of this will "tie" your BB to any carrier...a device, once unlocked from it's original carrier, is forever unlocked (i.e., only the factory can re-lock it to a carrier).